Here, you will get Class 11 Biology MCQ of Chapter 21 Neural Control And Coordination for cracking NEET/AIIMS. By solving these MCQs of Class 11 Biology Chapter 21 Neural Control And Coordination, you will get the confidence to crack NEET. Practice MCQ Questions for Class 11 Biology with Answers on a daily basis and score well in exams.
Neural Control And Coordination Class 11 MCQs Questions with Answers
Which one of the following menix is present only in mammalian brain?
(a) Duramater
(b) Arachnoid
(c) Piamater
(d) None of the above
Answer: (b) Arachnoid
Iodopsin is related with
(a) Brain
(b) Spinal cord
(c) Cones
(d) Kidney
Answer: (c) Cones
Which neuroglia cells produce a fatty insulating material called myelin?
(a) Satellite cells
(b) Schwann cells
(c) Both (A) and (B)
(d) Neither (A) nor (B)
Answer: (b) Schwann cells
If cerebral hemispheres of rabbit are removed, then it will
(a) Die immediately
(b) Die after some time
(c) Behave normally
(d) Stop feeding
Answer: (b) Die after some time
Four healthy people in their twenties got involved in injuries resulting in damage and death of a few cells of the following. Which of the cells are least likely to be replaced by new cells?
(a) Liver cells
(b) Neurons
(c) Malpighian layer of the skin
(d) Osteocytes
Answer: (b) Neurons
The gray matter differs from white matter in the
(a) Absence of axons
(b) Absence of nurilemma
(c) Presence of myelin sheath
(d) Absence of myelin sheath
Answer: (d) Absence of myelin sheath
Select the correct statement from the ones given below
(a) Cocaine is given to patients after surgery as it stimulates recovery
(b) Barbiturates when given to criminals make them tell the truth
(c) Morphine is often given to persons who have undergone surgery as a pain killer
(d) Chewing tobacco lowers blood pressure and heart rate
Answer: (c) Morphine is often given to persons who have undergone surgery as a pain killer
Find the odd one
(a) Schwann cells
(b) Nissl s granules
(c) nephrons
(d) synaptic knob
Answer: (c) nephrons
Which of the following is not related to the autonomic nervous system?
(a) Peristalsis
(b) Digestion
(c) Excretion
(d) Memory and learning
Answer: (d) Memory and learning
Which one of the following is the correct statement regarding the particular psychotropic drug specified?
(a) Barbiturates cause relaxation and temporary euphoria
(b) Hashish causes after thought perceptions and hallucinations
(c) Opium stimulates nervous system and causes hallucinations
(d) Morphine leads to delusions and disturbed emotions
Answer: (b) Hashish causes after thought perceptions and hallucinations
The function of vagus nerve innervating the heart is to
(a) Initiate the heart beat
(b) Reduce the heart beat
(c) Accelerate the heart beat
(d) Maintain constant heart beat
Answer: (b) Reduce the heart beat
There are ______ pairs of cranial nerves arising from the brain.
(a) 8
(b) 12
(c) 18
(d) 25
Answer: (b) 12
Which portion of the brain is responsible for various emotions such as pleasure, fear, and happiness?
(a) Thalamus
(b) Reticular formation
(c) Hypothalamus
(d) Limbic system
Answer: (d) Limbic system
During night when the intensity of light is low, it is detected by
(a) Rods
(b) Cones
(c) Both
(d) Crystalline lens
Answer: (a) Rods
In the process of eye donation, a particular part of a dead man’s eye is stored and grafted on another person’s eye to restore vision. That donated part of the eye is
(a) Retina
(b) Lens
(c) Cornea
(d) Sclera
Answer: (c) Cornea
Vestibular apparatus is made up of three semi circular canals. These canals lies at ____ degree angle to each other
(a) 30
(b) 45
(c) 60
(d) 90
Answer: (d) 90
Night blindness is caused due to
(a) Hypermatropia
(b) Myopia
(c) Defective cornea
(d) Deficiency of rhodopsin in rods
Answer: (d) Deficiency of rhodopsin in rods
Through which aperture the spinal cord passes out of skull?
(a) Foramen of monro
(b) Foramen of paninze
(c) Foramen of magnum
(d) None of the above
Answer: (c) Foramen of magnum
The cutaneous plexus and the papillary plexus consist of
(a) Specialized cells for cutaneous sensations
(b) A network of arteries to provide dermal supply
(c) A network of nerves to provide dermal sensation
(d) Gland cells that release cutaneous secretions
Answer: (c) A network of nerves to provide dermal sensation
During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric change?
(a) First positive, then negative and continue to be positive
(b) First negative, then positive and continue to be positive
(c) First positive, then negative and again back to positive
(d) First negative, then positive and again back to negative
Answer: (d) First negative, then positive and again back to negative
Hyalocytes cells occurs in
(a) Aqueous humor
(b) Vitreous humor
(c) Both of the above
(d) None of the above
Answer: (b) Vitreous humor
Weight of spinal cord is
(a) 100 gm
(b) 1400 gm
(c) 150 gm
(d) 35 gm
Answer: (d) 35 gm
Aperture of an eye can be changed by
(a) Aquous humor
(b) Vitreous humor
(c) Ciliary muscles
(d) Iris
Answer: (d) Iris
The cutaneous plexus and the papillary plexus consist of
(a) Specialized cells for cutaneous sensations
(b) A network of arteries to provide dermal supply
(c) A network of nerves to provide dermal sensation
(d) Gland cells that release cutaneous secretions
Answer: (c) A network of nerves to provide dermal sensation
During resting state, fluid outside axon contains
(a) low concentration of K+
(b) low concentration of Na+
(c) low concentration of Cl–
(d) high concentration of Cl–
Answer: (a) low concentration of K+
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